Database caching
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Database Caching In three tier architecture, application tier and data tier will be in different hosts. Throughput of the applications is affected because of the network speed. This network overhead shall be avoided by having database at the application tier. As commercial databases are heavy weight, it is not practically feasible to have application and database at the same host. There are lot of light weight databases available in the market, which shall be used as cache for the commercial databases.
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